Robert Lopez, co-author and co-songwriter on the blockbuster musical Book of Mormon, said he is planning a new musical after he finishes a film musical for Disney this summer

Lopez, who previously won a Tony Award for the score of Avenue Q, said he is working on a yet-untitled stage musical with wife Kristen Anderson-Lopez, with whom he has written songs for the planned 2011 animated film reboot of Winnie the Pooh for Disney.